US4516517A - Float recovery system - Google Patents
Float recovery system Download PDFInfo
- Publication number
- US4516517A US4516517A US06/516,158 US51615883A US4516517A US 4516517 A US4516517 A US 4516517A US 51615883 A US51615883 A US 51615883A US 4516517 A US4516517 A US 4516517A
- Authority
- US
- United States
- Prior art keywords
- saddle
- float
- towed body
- rudder
- saddle means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011084 recovery Methods 0.000 title description 8
- 238000000034 method Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/36—Arrangement of ship-based loading or unloading equipment for floating cargo
Definitions
- FIG. 1 discloses a seismic subarray in a recovered mode suspended alongside a vessel.
- FIG. 2 discloses a side view of the recovery system.
- FIGS. 2(a) and end view 2(b) disclose a first step in recovery of the seismic subarray of FIG. 1.
- FIGS. 2(c) and 2(d) show subsequent steps in the recovery process.
- FIG. 3 shows a latch mechanism used in the apparatus of FIGS. 2(a)-2(d).
- the primary purpose of the present invention is to provide a recovery system for lifting a towed body onboard a towing ship, which system is capable of handling a relatively cumbersome body, which may have attached gear subject to entanglement, and which system is orderly, relatively simple in use, and as free of malfunctioning as possible.
- a method and apparatus for recovering a towed body from the water to onboard a towing ship which is under way, including the steps and means for performing the steps, of positioning the towed body alongside the ship; aligning a saddle means laterally with the towed body; deploying a saddle rudder means attached to the saddle means into the water in the vicinity of the towed body; moving the saddle means in coordination with the saddle rudder means to a position directly above the towed body; and lowering the saddle means into engagement with one end of the towed body.
- the engaged saddle means preferably is restricted from lateral movement on the towed body by a landing rail but permitted to move longitudinally on the towed body by the extent of the landing rail; the saddle means then is moved longitudinally until one end of the landing rail restricts further longitudinal movement of the saddle means, and the saddle means is lowered into engagement with the other end of the towed body.
- the towed body is a seismic subarray, but it can also be a towed "fish", submarine or a smaller boat, recovered from alongside or from the stern of the mother ship.
- a towing ship or "mother” ship 10 which is underway has a towed body 11 (such as a seismic subarray) which is connected via cables (not shown) to a latching saddle (not shown) from overhead transverse lifting beams 12 and 13.
- Towed body 11 may be a seismic subarray which is connected to ship 10 by umbilical cable 14 as held outboard of the ship by outrigger support arm 15.
- Such a subarray may be quite long, e.g. 60 feet, and very heavy, e.g. 25,000 pounds.
- FIGS. 2(a)-2(b) show a spreader beam arrangement 20 that self-latches to the towed body and works like a "saddle", as hereinafter so termed.
- Self-locking aft latch 21 and forward latch 22 are on either end of saddle 20. These latches grab pipe rails, i.e., aft landing rail 23 and forward rail 24, that are structurally a part of the top of towed body 11 for lifting purposes.
- rudder 28 at the end of a feeler arm 27 is lowered into the water outboard the towed body 11 to be captured (in FIG. 2(a) see direction of arrow).
- Rudder 28 preferably has some effective buoyancy in order to ride near the surface of the water and is inclined to the flow of current (in FIG. 2(b) see direction of arrow) so as to cause the feeler arm/rudder combination to "hug" the side of the towed body 11.
- Use of the feeler arm 27 and rudder 28 gives the operator a true indexing means in lowering the aft end of saddle 20 and aft latch 21 on top of float 11 (in FIG. 2(c) see direction of arrow).
- the latch 21 (shown in detail in FIG. 3) automatically attaches to landing rail 23 upon contact.
- the forward landing rail 24 be transverse to the longitudinal axis of the towed body 11. Because of this choice, once the aft latch 21 is locked on the aft landing rail 23, the towed body 11 is pulled forward until a "stop" (in FIG. 2(d) see left arrow) is contacted on the forward end of the aft landing rail 23. This stop satisfactorily indexes the landing of the forward latch mechanism 22 on the forward landing rail 24 (in FIG. 2(d) see right arrow). Once the two latches are engaged and self-latched, the towed vessel 11 may be readily lifted from the water.
- feeler arm 27 may be movable only in coordination with the saddle, so that the entire end of the saddle is partially lowered in order to get rudder 28 into the water, and then finally lowered in order to engage aft landing rail 23.
- a significant feature of the invention is that the saddle 20 can be placed above the wave action while the feeler arm 27 and rudder 28 locate the proper position upon which to lower the aft latch 21. Once the aft latch 21 is engaged, the rest of the attachment may be conducted with relative ease, even in rough weather.
- the assembly has very low reserve buoyancy and a relatively small water plane area in order to make it have a low heave response over the spectrum of normally occurring wave periods. This dynamic response property ensures that the feeler arm/rudder assembly will not be tossed about in the water by waves, winds and relative water velocities.
- latches 21 and 22 which are preferably spring loaded horseshoe latches which engage by impact on landing rails 23 and 24.
- latches 21 and 22 which are preferably spring loaded horseshoe latches which engage by impact on landing rails 23 and 24.
- FIG. 3 on either side of each latch are hydraulic cylinders 30 and 31 with built-in springs (not shown) on the rods 32 and 33.
- the springs preload prawls 34 upon contact (as assisted by the impact force of the saddle 20 landing on rail 23 or 24). Once the rail 23 or 24 moves upward, so as to touch the head of the latch, the prawls 34 spring back in place to close the opening created.
- the geometry of the latch mechanism is designed so that the landing rail bears against the prawls during the lifting, without subsequent movement of the prawls.
- the prawls cannot be inadvertently opened by the purposefully undersized hydraulic cylinders without first setting down the towed body in a support structure or "cradle" (to remove the contact pressure on the prawls). This is an inherent safety factor in the invention.
- This method and apparatus can be used to lift all forms of towed bodies, like submarines, from alongside or aft of the mother ship.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Geophysics And Detection Of Objects (AREA)
- Toys (AREA)
- Paper (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
Claims (14)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/516,158 US4516517A (en) | 1983-07-21 | 1983-07-21 | Float recovery system |
CA000458438A CA1215593A (en) | 1983-07-21 | 1984-07-09 | Float recovery system |
EP84108377A EP0132753B1 (en) | 1983-07-21 | 1984-07-17 | Float recovery system |
DE8484108377T DE3461906D1 (en) | 1983-07-21 | 1984-07-17 | Float recovery system |
JP59151948A JPS6047791A (en) | 1983-07-21 | 1984-07-20 | Method and device for recovering float |
NO842979A NO163400C (en) | 1983-07-21 | 1984-07-20 | PROCEDURE FOR DETERMINING A RULE OF THE SEA AND APPARATUS FOR EXECUTING THE PROCEDURE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/516,158 US4516517A (en) | 1983-07-21 | 1983-07-21 | Float recovery system |
Publications (1)
Publication Number | Publication Date |
---|---|
US4516517A true US4516517A (en) | 1985-05-14 |
Family
ID=24054380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/516,158 Expired - Fee Related US4516517A (en) | 1983-07-21 | 1983-07-21 | Float recovery system |
Country Status (6)
Country | Link |
---|---|
US (1) | US4516517A (en) |
EP (1) | EP0132753B1 (en) |
JP (1) | JPS6047791A (en) |
CA (1) | CA1215593A (en) |
DE (1) | DE3461906D1 (en) |
NO (1) | NO163400C (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4716553A (en) * | 1983-12-23 | 1987-12-29 | Geophysical Company Of Norway A.S. | Float for use in seismic surveys of the sea bed |
US4798158A (en) * | 1985-12-19 | 1989-01-17 | Shell Oil Company | Seismic float recovery system |
US5046443A (en) * | 1986-09-08 | 1991-09-10 | Shell Oil Company | Steel-fiberglass float |
US5145429A (en) * | 1989-05-02 | 1992-09-08 | Foster Wheeler Energy Limited | Fluid and material transfer at sea |
US5253606A (en) * | 1991-09-10 | 1993-10-19 | Riva Calzoni S.P.A. | Machine for gripping, securing and handling underwater vehicles and the like |
US5378851A (en) * | 1992-08-14 | 1995-01-03 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Fisheries Of Oceans | System for handling a remotely operated vessel |
US6223681B1 (en) * | 1999-09-07 | 2001-05-01 | The United States Of America As Represented By The Secretary Of The Navy | REMUS positive lock securing apparatus |
US7975638B1 (en) | 2009-02-11 | 2011-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Method and device for releasably latching a water vessel to a line |
WO2015049679A1 (en) * | 2013-10-01 | 2015-04-09 | Israel Aerospace Industries Ltd. | Launch and recovery system and method |
US9032893B1 (en) | 2013-06-27 | 2015-05-19 | The United States Of America As Represented By The Secretary Of The Navy | Actuated catch for releasably securing a water vessel in open water |
US9592888B1 (en) * | 2014-04-04 | 2017-03-14 | The United States Of America As Represented By The Secretary Of The Navy | Dampened pivoting lift device for a multi-line lift point configuration |
US20180312225A1 (en) * | 2015-10-22 | 2018-11-01 | Amitay Peleg | System and method for launch and recovery of a marine vessel |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005065980A1 (en) * | 2003-12-23 | 2005-07-21 | Daimlerchrysler Ag | Method and device for influencing a motor torque |
CN113277015B (en) * | 2021-04-29 | 2022-08-09 | 中国科学院沈阳自动化研究所 | Modular slide capture rod type recovery device for autonomous recovery of underwater robots |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US621640A (en) * | 1899-03-21 | drzewiecki | ||
US3159806A (en) * | 1960-05-06 | 1964-12-01 | Frank N Piasecki | High speed tow sonar system |
GB1231486A (en) * | 1968-11-18 | 1971-05-12 | ||
US3744021A (en) * | 1971-07-13 | 1973-07-03 | Texaco Inc | Offshore seismic exploration method |
US3760762A (en) * | 1971-12-10 | 1973-09-25 | G Spongberg | Trolling device |
US3807335A (en) * | 1972-12-07 | 1974-04-30 | Us Navy | Submersible underwater docking concept |
JPS56135390A (en) * | 1980-03-25 | 1981-10-22 | Hitachi Zosen Corp | Lifting device for underwater craft |
SU908653A1 (en) * | 1980-06-06 | 1982-02-28 | Предприятие П/Я М-5261 | Device for engaging and lifting floating objects and people from water area surface aboard |
US4323989A (en) * | 1980-05-29 | 1982-04-06 | Shell Oil Company | Wide seismic source |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB133035A (en) * | ||||
US3507241A (en) * | 1968-11-26 | 1970-04-21 | Us Navy | Deep submergence rescue vehicle handling system |
DE2305480C3 (en) * | 1973-02-05 | 1975-08-21 | Rheinstahl Ag, 4300 Essen | Lifting gear for oceanographic measuring masts |
US3937163A (en) * | 1975-01-31 | 1976-02-10 | Rosenberg Edgar N | Launch and recovery vessel |
JPS5227438A (en) * | 1975-08-28 | 1977-03-01 | Nippon Alum Mfg Co Ltd:The | Adhesion of components |
NO150751C (en) * | 1981-09-28 | 1984-12-12 | Seismic Profilers As | MOVEMENT BODY DEVICE. |
-
1983
- 1983-07-21 US US06/516,158 patent/US4516517A/en not_active Expired - Fee Related
-
1984
- 1984-07-09 CA CA000458438A patent/CA1215593A/en not_active Expired
- 1984-07-17 DE DE8484108377T patent/DE3461906D1/en not_active Expired
- 1984-07-17 EP EP84108377A patent/EP0132753B1/en not_active Expired
- 1984-07-20 NO NO842979A patent/NO163400C/en unknown
- 1984-07-20 JP JP59151948A patent/JPS6047791A/en active Granted
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US621640A (en) * | 1899-03-21 | drzewiecki | ||
US3159806A (en) * | 1960-05-06 | 1964-12-01 | Frank N Piasecki | High speed tow sonar system |
GB1231486A (en) * | 1968-11-18 | 1971-05-12 | ||
US3744021A (en) * | 1971-07-13 | 1973-07-03 | Texaco Inc | Offshore seismic exploration method |
US3760762A (en) * | 1971-12-10 | 1973-09-25 | G Spongberg | Trolling device |
US3807335A (en) * | 1972-12-07 | 1974-04-30 | Us Navy | Submersible underwater docking concept |
JPS56135390A (en) * | 1980-03-25 | 1981-10-22 | Hitachi Zosen Corp | Lifting device for underwater craft |
US4323989A (en) * | 1980-05-29 | 1982-04-06 | Shell Oil Company | Wide seismic source |
SU908653A1 (en) * | 1980-06-06 | 1982-02-28 | Предприятие П/Я М-5261 | Device for engaging and lifting floating objects and people from water area surface aboard |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4716553A (en) * | 1983-12-23 | 1987-12-29 | Geophysical Company Of Norway A.S. | Float for use in seismic surveys of the sea bed |
US4798158A (en) * | 1985-12-19 | 1989-01-17 | Shell Oil Company | Seismic float recovery system |
US5046443A (en) * | 1986-09-08 | 1991-09-10 | Shell Oil Company | Steel-fiberglass float |
US5145429A (en) * | 1989-05-02 | 1992-09-08 | Foster Wheeler Energy Limited | Fluid and material transfer at sea |
US5253606A (en) * | 1991-09-10 | 1993-10-19 | Riva Calzoni S.P.A. | Machine for gripping, securing and handling underwater vehicles and the like |
US5378851A (en) * | 1992-08-14 | 1995-01-03 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Fisheries Of Oceans | System for handling a remotely operated vessel |
US6223681B1 (en) * | 1999-09-07 | 2001-05-01 | The United States Of America As Represented By The Secretary Of The Navy | REMUS positive lock securing apparatus |
US7975638B1 (en) | 2009-02-11 | 2011-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Method and device for releasably latching a water vessel to a line |
US8359993B1 (en) | 2009-02-11 | 2013-01-29 | The United States Of America As Represented By The Secretary Of The Navy | Method and device for releasably latching a water vessel to a line |
US9032893B1 (en) | 2013-06-27 | 2015-05-19 | The United States Of America As Represented By The Secretary Of The Navy | Actuated catch for releasably securing a water vessel in open water |
WO2015049679A1 (en) * | 2013-10-01 | 2015-04-09 | Israel Aerospace Industries Ltd. | Launch and recovery system and method |
US9592888B1 (en) * | 2014-04-04 | 2017-03-14 | The United States Of America As Represented By The Secretary Of The Navy | Dampened pivoting lift device for a multi-line lift point configuration |
US20180312225A1 (en) * | 2015-10-22 | 2018-11-01 | Amitay Peleg | System and method for launch and recovery of a marine vessel |
US11192614B2 (en) * | 2015-10-22 | 2021-12-07 | Sealartec Ltd. | System and method for launch and recovery of a marine vessel |
US11667355B2 (en) | 2015-10-22 | 2023-06-06 | Sealartec Ltd. | System and method for launch and recovery of a marine vessel |
Also Published As
Publication number | Publication date |
---|---|
EP0132753B1 (en) | 1987-01-07 |
NO163400C (en) | 1990-05-23 |
JPS6047791A (en) | 1985-03-15 |
NO163400B (en) | 1990-02-12 |
DE3461906D1 (en) | 1987-02-12 |
JPH0464918B2 (en) | 1992-10-16 |
CA1215593A (en) | 1986-12-23 |
NO842979L (en) | 1985-01-22 |
EP0132753A1 (en) | 1985-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SHELL OIL COMPANY A CORP OF DE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AYERS, RAY R.;REEL/FRAME:004327/0585 Effective date: 19830720 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
AS | Assignment |
Owner name: PGS SHIPPING (ISLE OF MAN) LIMITED, ISLE OF MAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALPHA MARINE SERVICES INTERNATIONAL;REEL/FRAME:008313/0569 Effective date: 19970108 Owner name: ALPHA MARINE SERVICE INTERNATIONAL, LOUISIANA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHELL OFFSHORE, INC.;REEL/FRAME:008313/0581 Effective date: 19970108 |
|
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19970514 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |